US Bridges

FM 1378 over Kerby Creek

Good

Collin County, Texas · 0.10 MI S of FM 2170 · Structure no. 180430139201005

Built
1953
72 years old, rebuilt 2020
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
14,499
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1378 over Kerby Creek is a concrete culvert carrying FM 1378 over Kerby Creek in Collin County, Texas. It was built in 1953 and reconstructed in 2020, so it is 72 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,499 vehicles a day, roughly 4% of them trucks, projected to reach 22,800 by 2038. The structure is 22 ft (6.7 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM 1378
CrossesKerby Creek
Location0.10 MI S of FM 2170
RouteState Highway 1378
StateTexas
Coordinates33.0997, -96.59376
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width51 ft (15.6 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,499 (2020)
Projected traffic22,800 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1378 over Kerby Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2020.

What condition is FM 1378 over Kerby Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does FM 1378 over Kerby Creek carry?

About 14,499 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FM 1378 over Kerby Creek?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 51 ft wide.

Who owns FM 1378 over Kerby Creek?

It is owned by the State Highway Agency.